/**
 * BibSonomy-Webapp - The web application for BibSonomy.
 *
 * Copyright (C) 2006 - 2016 Knowledge & Data Engineering Group,
 *                               University of Kassel, Germany
 *                               http://www.kde.cs.uni-kassel.de/
 *                           Data Mining and Information Retrieval Group,
 *                               University of Würzburg, Germany
 *                               http://www.is.informatik.uni-wuerzburg.de/en/dmir/
 *                           L3S Research Center,
 *                               Leibniz University Hannover, Germany
 *                               http://www.l3s.de/
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.bibsonomy.webapp.validation;

import java.util.List;

import org.bibsonomy.model.BibTex;
import org.bibsonomy.model.Post;
import org.bibsonomy.webapp.command.ListCommand;
import org.bibsonomy.webapp.command.actions.PostPublicationCommand;
import org.bibsonomy.webapp.util.Validator;
import org.springframework.validation.Errors;

/**
 * @author ema
 */
public class PostPublicationCommandValidator implements Validator<PostPublicationCommand> {

	@Override
	public boolean supports(final Class<?> clazz) {
		return PostPublicationCommand.class.equals(clazz);
	}

	/**
	 * this method names the errors of its target items "<resource.getInterHash()>".resource.<XYZ>
	 */
	@Override
	public void validate(final Object target, final Errors errors) {
		final PostPublicationCommand command = (PostPublicationCommand) target;
		errors.pushNestedPath("bibtex");
		
		final ListCommand<Post<BibTex>> listCommand = command.getBibtex();
		
		//validate resource
		final List<Post<BibTex>> list = listCommand.getList();
		final PostValidator<BibTex> validator = new PostValidator<BibTex>();

		for (int i = 0; i < list.size(); i++) {
			errors.pushNestedPath("list[" + i + "]");
			
			validator.validateResource(errors, list.get(i).getResource());
			validator.validateGroups(errors, command);
			
			errors.popNestedPath();
		}

		errors.popNestedPath();
	}
}

